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	We are going to drop debug info without a version number or with a different version number, to make sure we don't crash when we see bitcode files with different debug info metadata format. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@195504 91177308-0d34-0410-b5e6-96231b3b80d8
		
			
				
	
	
		
			175 lines
		
	
	
		
			7.8 KiB
		
	
	
	
		
			LLVM
		
	
	
	
	
	
			
		
		
	
	
			175 lines
		
	
	
		
			7.8 KiB
		
	
	
	
		
			LLVM
		
	
	
	
	
	
| ; RUN: opt -inline -S < %s | FileCheck %s
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| 
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| ; Created from source
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| ;
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| ;
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| ;  1 // test.cpp
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| ;  2 extern int global_var;
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| ;  3 extern int test_ext(int k);
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| ;  4 int test (int k) {
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| ;  5   int k2 = test_ext(k);
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| ;  6   if (k2 > 100)
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| ;  7     return k2;
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| ;  8   return 0;
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| ;  9 }
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| ; 10
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| ; 11 int test2() {
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| ; 12   try
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| ; 13   {
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| ; 14     test(global_var);
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| ; 15   }
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| ; 16   catch (int e) {
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| ; 17     global_var = 0;
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| ; 18   }
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| ; 19   global_var = 1;
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| ; 20   return 0;
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| ; 21 }
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| 
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| ; CHECK: _Z4testi.exit:
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| ; Make sure the branch instruction created during inlining has a debug location,
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| ; so the range of the inlined function is correct.
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| ; CHECK: br label %invoke.cont, !dbg ![[MD:[0-9]+]]
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| ; The branch instruction has the source location of line 9 and its inlined location
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| ; has the source location of line 14.
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| ; CHECK: ![[INL:[0-9]+]] = metadata !{i32 14, i32 0, metadata {{.*}}, null}
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| ; CHECK: ![[MD]] = metadata !{i32 9, i32 0, metadata {{.*}}, metadata ![[INL]]}
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| 
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| ; ModuleID = 'test.cpp'
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| target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128"
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| target triple = "x86_64-apple-darwin12.0.0"
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| 
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| @_ZTIi = external constant i8*
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| @global_var = external global i32
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| 
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| define i32 @_Z4testi(i32 %k)  {
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| entry:
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|   %retval = alloca i32, align 4
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|   %k.addr = alloca i32, align 4
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|   %k2 = alloca i32, align 4
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|   store i32 %k, i32* %k.addr, align 4
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|   call void @llvm.dbg.declare(metadata !{i32* %k.addr}, metadata !13), !dbg !14
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|   call void @llvm.dbg.declare(metadata !{i32* %k2}, metadata !15), !dbg !16
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|   %0 = load i32* %k.addr, align 4, !dbg !16
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|   %call = call i32 @_Z8test_exti(i32 %0), !dbg !16
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|   store i32 %call, i32* %k2, align 4, !dbg !16
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|   %1 = load i32* %k2, align 4, !dbg !17
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|   %cmp = icmp sgt i32 %1, 100, !dbg !17
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|   br i1 %cmp, label %if.then, label %if.end, !dbg !17
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| 
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| if.then:                                          ; preds = %entry
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|   %2 = load i32* %k2, align 4, !dbg !18
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|   store i32 %2, i32* %retval, !dbg !18
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|   br label %return, !dbg !18
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| 
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| if.end:                                           ; preds = %entry
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|   store i32 0, i32* %retval, !dbg !19
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|   br label %return, !dbg !19
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| 
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| return:                                           ; preds = %if.end, %if.then
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|   %3 = load i32* %retval, !dbg !20
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|   ret i32 %3, !dbg !20
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| }
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| 
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| ; Function Attrs: nounwind readnone
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| declare void @llvm.dbg.declare(metadata, metadata) #1
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| 
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| declare i32 @_Z8test_exti(i32)
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| 
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| define i32 @_Z5test2v()  {
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| entry:
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|   %exn.slot = alloca i8*
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|   %ehselector.slot = alloca i32
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|   %e = alloca i32, align 4
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|   %0 = load i32* @global_var, align 4, !dbg !21
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|   %call = invoke i32 @_Z4testi(i32 %0)
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|           to label %invoke.cont unwind label %lpad, !dbg !21
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| 
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| invoke.cont:                                      ; preds = %entry
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|   br label %try.cont, !dbg !23
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| 
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| lpad:                                             ; preds = %entry
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|   %1 = landingpad { i8*, i32 } personality i8* bitcast (i32 (...)* @__gxx_personality_v0 to i8*)
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|           catch i8* bitcast (i8** @_ZTIi to i8*), !dbg !21
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|   %2 = extractvalue { i8*, i32 } %1, 0, !dbg !21
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|   store i8* %2, i8** %exn.slot, !dbg !21
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|   %3 = extractvalue { i8*, i32 } %1, 1, !dbg !21
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|   store i32 %3, i32* %ehselector.slot, !dbg !21
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|   br label %catch.dispatch, !dbg !21
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| 
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| catch.dispatch:                                   ; preds = %lpad
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|   %sel = load i32* %ehselector.slot, !dbg !23
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|   %4 = call i32 @llvm.eh.typeid.for(i8* bitcast (i8** @_ZTIi to i8*)) #2, !dbg !23
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|   %matches = icmp eq i32 %sel, %4, !dbg !23
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|   br i1 %matches, label %catch, label %eh.resume, !dbg !23
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| 
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| catch:                                            ; preds = %catch.dispatch
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|   call void @llvm.dbg.declare(metadata !{i32* %e}, metadata !24), !dbg !25
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|   %exn = load i8** %exn.slot, !dbg !23
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|   %5 = call i8* @__cxa_begin_catch(i8* %exn) #2, !dbg !23
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|   %6 = bitcast i8* %5 to i32*, !dbg !23
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|   %7 = load i32* %6, align 4, !dbg !23
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|   store i32 %7, i32* %e, align 4, !dbg !23
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|   store i32 0, i32* @global_var, align 4, !dbg !26
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|   call void @__cxa_end_catch() #2, !dbg !28
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|   br label %try.cont, !dbg !28
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| 
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| try.cont:                                         ; preds = %catch, %invoke.cont
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|   store i32 1, i32* @global_var, align 4, !dbg !29
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|   ret i32 0, !dbg !30
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| 
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| eh.resume:                                        ; preds = %catch.dispatch
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|   %exn1 = load i8** %exn.slot, !dbg !23
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|   %sel2 = load i32* %ehselector.slot, !dbg !23
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|   %lpad.val = insertvalue { i8*, i32 } undef, i8* %exn1, 0, !dbg !23
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|   %lpad.val3 = insertvalue { i8*, i32 } %lpad.val, i32 %sel2, 1, !dbg !23
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|   resume { i8*, i32 } %lpad.val3, !dbg !23
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| }
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| 
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| declare i32 @__gxx_personality_v0(...)
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| 
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| ; Function Attrs: nounwind readnone
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| declare i32 @llvm.eh.typeid.for(i8*) #1
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| 
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| declare i8* @__cxa_begin_catch(i8*)
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| 
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| declare void @__cxa_end_catch()
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| 
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| attributes #1 = { nounwind readnone }
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| attributes #2 = { nounwind }
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| 
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| !llvm.dbg.cu = !{!0}
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| !llvm.module.flags = !{!31}
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| 
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| !0 = metadata !{i32 786449, metadata !1, i32 4, metadata !"clang version 3.3 ", i1 false, metadata !"", i32 0, metadata !2, metadata !2, metadata !3, metadata !2, metadata !2, metadata !""} ; [ DW_TAG_compile_unit ] [<unknown>] [DW_LANG_C_plus_plus]
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| !1 = metadata !{metadata !"<unknown>", metadata !""}
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| !2 = metadata !{i32 0}
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| !3 = metadata !{metadata !4, metadata !10}
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| !4 = metadata !{i32 786478, metadata !5, metadata !6, metadata !"test", metadata !"test", metadata !"_Z4testi", i32 4, metadata !7, i1 false, i1 true, i32 0, i32 0, null, i32 256, i1 false, i32 (i32)* @_Z4testi, null, null, metadata !2, i32 4} ; [ DW_TAG_subprogram ] [line 4] [def] [test]
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| !5 = metadata !{metadata !"test.cpp", metadata !""}
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| !6 = metadata !{i32 786473, metadata !5}          ; [ DW_TAG_file_type ] [test.cpp]
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| !7 = metadata !{i32 786453, i32 0, null, metadata !"", i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !8, i32 0, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
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| !8 = metadata !{metadata !9, metadata !9}
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| !9 = metadata !{i32 786468, null, null, metadata !"int", i32 0, i64 32, i64 32, i64 0, i32 0, i32 5} ; [ DW_TAG_base_type ] [int] [line 0, size 32, align 32, offset 0, enc DW_ATE_signed]
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| !10 = metadata !{i32 786478, metadata !5, metadata !6, metadata !"test2", metadata !"test2", metadata !"_Z5test2v", i32 11, metadata !11, i1 false, i1 true, i32 0, i32 0, null, i32 256, i1 false, i32 ()* @_Z5test2v, null, null, metadata !2, i32 11} ; [ DW_TAG_subprogram ] [line 11] [def] [test2]
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| !11 = metadata !{i32 786453, i32 0, null, metadata !"", i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !12, i32 0, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
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| !12 = metadata !{metadata !9}
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| !13 = metadata !{i32 786689, metadata !4, metadata !"k", metadata !6, i32 16777220, metadata !9, i32 0, i32 0} ; [ DW_TAG_arg_variable ] [k] [line 4]
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| !14 = metadata !{i32 4, i32 0, metadata !4, null}
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| !15 = metadata !{i32 786688, metadata !4, metadata !"k2", metadata !6, i32 5, metadata !9, i32 0, i32 0} ; [ DW_TAG_auto_variable ] [k2] [line 5]
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| !16 = metadata !{i32 5, i32 0, metadata !4, null}
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| !17 = metadata !{i32 6, i32 0, metadata !4, null}
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| !18 = metadata !{i32 7, i32 0, metadata !4, null}
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| !19 = metadata !{i32 8, i32 0, metadata !4, null}
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| !20 = metadata !{i32 9, i32 0, metadata !4, null}
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| !21 = metadata !{i32 14, i32 0, metadata !22, null}
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| !22 = metadata !{i32 786443, metadata !5, metadata !10, i32 13, i32 0, i32 0} ; [ DW_TAG_lexical_block ] [test.cpp]
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| !23 = metadata !{i32 15, i32 0, metadata !22, null}
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| !24 = metadata !{i32 786688, metadata !10, metadata !"e", metadata !6, i32 16, metadata !9, i32 0, i32 0} ; [ DW_TAG_auto_variable ] [e] [line 16]
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| !25 = metadata !{i32 16, i32 0, metadata !10, null}
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| !26 = metadata !{i32 17, i32 0, metadata !27, null}
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| !27 = metadata !{i32 786443, metadata !5, metadata !10, i32 16, i32 0, i32 1} ; [ DW_TAG_lexical_block ] [test.cpp]
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| !28 = metadata !{i32 18, i32 0, metadata !27, null}
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| !29 = metadata !{i32 19, i32 0, metadata !10, null}
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| !30 = metadata !{i32 20, i32 0, metadata !10, null}
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| !31 = metadata !{i32 1, metadata !"Debug Info Version", i32 1}
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